<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/html">
<head>
<meta charset="UTF-8">
</head>
<body>
<form action="./login.do">
    <p>
        <input name="id" type="text" placeholder="用户名" />
    </p>
    <p>
        <input name="pwd" type="password" placeholder="密码" />
    </p>
    <p>
        <img src="check.png" /><br/>
        <input name="ck" type="checkcode" placeholder="验证码">
    </p>
        <button>登陆</button>
    </p>
</form>
</body>
</html>